Gaya APA
Russell, P, W, A, M, K. (2008).
Classroom assissment: consepts and applications (6th. ed).
Boston:
Mc. Gravo Hill.
Gaya MLA
Russell, Peter, W., Airasian;, Michael, K..
"Classroom assissment: consepts and applications".
6th. ed
Boston:
Mc. Gravo Hill,
2008.
Text.